50443303513 has 4 divisors (see below), whose sum is σ = 50511195648. Its totient is φ = 50375411380.

The previous prime is 50443303487. The next prime is 50443303523. The reversal of 50443303513 is 31530334405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31530334405 = 5 ⋅6306066881.

It is a cyclic number.

It is not a de Polignac number, because 50443303513 - 2¹³ = 50443295321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50443303523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33944953 + ... + 33946438.

It is an arithmetic number, because the mean of its divisors is an integer number (12627798912).

Almost surely, 2^50443303513 is an apocalyptic number.

It is an amenable number.

50443303513 is a deficient number, since it is larger than the sum of its proper divisors (67892135).

50443303513 is an equidigital number, since it uses as much as digits as its factorization.

50443303513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67892134.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 50443303513 its reverse (31530334405), we get a palindrome (81973637918).

The spelling of 50443303513 in words is "fifty billion, four hundred forty-three million, three hundred three thousand, five hundred thirteen".